On Wednesday 27 August 2008 09:40:20 am cpghost wrote: > Hello, > > I'm building a new system with an AMD Phenom 9350e Quad-Core: > > FreeBSD phenom.example.net 7.1-PRERELEASE FreeBSD 7.1-PRERELEASE #0: > Tue Aug 26 19:49:24 UTC 2008 [EMAIL PROTECTED]:/usr/obj/usr/\ > src/sys/GENERIC i386 > > Everything's running smoothly, until I start powerd. As soon as > that happens, the system freezes hard. Trying powerd in the foreground > with -v shows that it decreased the frequencies a few times, but then > hangs the system. > > So I've tried this manually: > > # sysctl dev.cpu.0.freq_levels > dev.cpu.0.freq_levels: 1985/-1 1736/-1 1488/-1 1240/-1 992/-1 744/-1 > 496/-1 248/-1 > > # sysctl dev.cpu.0.freq > dev.cpu.0.freq: 1985 > > powerd freezed the system after reaching 1240 when trying 992. If I set > the frequency manually down to 1240 with: > > # sysctl dev.cpu.0.freq=1240 > > everything's fine. But as soon as I try setting it further down > (992, 744, 496 or 248), the system freezes too, just the same > as with powerd. This is 100% reproducible. > > So what's going on here?
Hard to say. My HP nc6220 laptop gets into a lockup where it spends all its time processing ACPI events (I think for some of the thermal monitoring the BIOS does) if I drop the CPU speed below 400. I just set debug.cpufreq.lowest in /boot/loader.conf. -- John Baldwin _______________________________________________ [email protected] mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-stable To unsubscribe, send any mail to "[EMAIL PROTECTED]"
